Color displaying device



July 11,-1933- E. scHARNowsKl 1,917,464

` COLOR DISPLAYING DEVCE Filed OCjb. 27, 1951 3 Sheets-Sheet l Fig. 2

lmumnnmnnu MIIIIHHNIIIIIIII July 11, 1933. E, scHARNowsKl COLOR DISPLAYING DEVICE Filed oct. 27, '1931 s sheets-sheet 2 July 11, 1933.

E. scHARNowsKl COLOR DISPLAYING DEVICE 3 Sheets-Sheet 3 Filed Oct. 27, 1931 Patented July 11, 1933Y ERNST soHARNoWsKi, .orA eLniwT-z, ennraaiwx-` coLoRnIsrLAYiNG nay-1on1;

Application med october 27, 1931, Sei-iai no.

The object of the presentinvention is' to produce a device whereby the blending of colors of dilferent shades nia-y loel effectively:

demonstrated particularly for teaching purposes, and the invention consists broadly in the prov1s1en of a support carrying, on pai-als l'el hinges, a plurality ofplates hearing dif-4 ferent-ly colored fields and fitted with hinged- 1 aps which may be arranged in' groups and which can he turned into a position at .right angles to the plates for producing straight or circular hands of colors in imitationr of the spectrum. Means are provided for a convenient selection 4of theflaps to form various color combinations. 1 The plateA support may consist of a cylinder' in which case the structure .may be rotated to effect a ksubjective superposition of the selected colors.'

Fig. l of the accompanying drawings representsan elevation of a rotatable device aocording to the'invention, Fig. 2v is a plan'lview of the saine, Fig. 3 is sectional view ona larger scale showing the construction of the various mechanisms,

Fig. il is a plan-view of a device for adjusting the flaps,

Figs. 5a and 5b are views atright angles to each other of vother parts of the flap Vadjusting device,

Fig. (i is a part view of another portion of the ilap adjusting device,

Fig. 7 is a part view of a retaining ring for the plate supporting shafts, v i

8 is ayiew of part of the flap select-.f

ing device, l

Fig1 9 is a plan-view of another part of this device, Y 4 10`is view of a niodified'zpart of this device,l

lig. l1' is aplan-view of a' modified form of the colordisplaying device, and Fig. l2 is a view of he latter device as set for displaying the color" bands and turned through 90.

ln the arrangement shown inI Figs. l to l'O the device comprises a stand 2 fitted with a supporting hase l and carryinga rotatable, vertical shaft-3.' -A- cylinder 64 mounted on the shaft is-fittedfwith flanges Ll' and 5 which 571,441, aiidin Germany vNoveinter 7,1930;

vsupport a plurality of eqiii'clistaiit vertical shari-:ts which are paralleli-o each other and to the' cyhnder.- Each shaft carries al plate 'l which has the trapeziform shown in Fig. l and which' is preferably. made of cardboard.l The cylinder 6 andV preferably` also the plates Y v -mayhe provided'with paintedhands 6a graduating from white to black through'v dif# ferent 'shades of grey. ln additi'oneach l .plate is. provided with a plurality o f lields" 9 ofa'deinite color butof differentshad'es. rPhe fields' are arranged in groups.' The firstv group may contain tlie "li'ghter shades, the second group Q the intermediateshades, and the single-field 9 at the free end of the plate 6'15 may Vhe the' brightest. `The plates can be turned about their shafts like the leaves' of hook-'for the convenient examination" of the different color fields. For 'theipurpose of forming circular color'hands asindicated in 'it Fig. 2, each 'colorifield is, entirely or partly according to" its position, composed ofa flap which is rotatable' about an axis situated at rightangl'es to thehinge of the platesothat it can loe turn'ed'intoa horizontal position 775 and viewed from the top of the apparatus. For'the formation of these'jbands, 'means are provided -forsecuring the plates '7 ina radial position vrelative to' the cylinder 61 The single fields 9 are pivoted'. inthis manner so in thei'rentiretyto enablethemitoffill up the large' spa'eesloetween thef'outerxends of the radially arranged plates. ln the'fields 9T, and

Q the ilapsfal'c made correspondinglynarrow Y owing to the' restriction oftliefspacey and in 85 order to' allow the lower fiapsto'f-hese'en ,as

. well as thenpper'ones'in the same-group, .the

latter flaps are made shorter. Thus f eachV color i'iel'd can he inade'to' participatelin malla'- l ing up a'haind of a particular color and shade'. 59o

The colors may be arranged in spectral order.

Means are provided for-.selecting the Aflaps' y for adjustment, and when the cylind er', is ro`A tated' by hand inthe stand l2 through the mel' diium'l- 0f. thesli'aft' withf'the flaps in the 95 transverse position, they colors will be suhjectively" superimposed, and the effect ofthe hlendifngof th'edifer'ent colors will'loe demonstrated; The flaps 9a are arranged in vapertnesinthe-plates, andthe afX'is of'rotation 100 f device are illustrated in Figs. 3 to 10.'

-Each plate supporting shaft is composed i A of telescopically adjustable parts. Thercentral portion of each shaft `consists of a'tube' 14 which is arranged to slide on aA spindle 14 forming the ,upper portion of the shaft.

A pin 16 on the spindleengagesin a lon-VH Y gitudinal slot v16 in the tube to prevent relatively rotary displacement.

.' The lower por-l tion of the shaft consist-s of a spindle Y14` which is firmly connected to the tube 14. An

eyed hinge element 7a of metalat the upper edge-of the plate 7 embraces the upper end of the tube 14, and a similar hingeelement '7b at the lower edge of the plate embraces the spindle 14". The eye member of the lower hinge element is prolonged downwards and passes through an aperture inthel flange4, the plate being supported on-the latter by a'spring 8. The upper end ofthe spindle 14 engages in a recess inthe flange 5 andis retained in the recess by -a ring 30 which is rotatable about the liange. TheA ring is fitted with ahandle k30 whereby it can be rotated, and it has a notch 30 which can be turned into register with any particular spindle for the removal of the shaft and plate from the apparatus.V l

The aps 9a, only one of which is shown in Fig. S-for the sake of clearness, are cari'ied by arbors 10 each of which is extended beyond 4the inner edge of the plate f' and formed at the inner end with a ,crank 10 whereby thev flap can be turned, in opposition to a spring 10', into a position at right anglesto theplate'. Normally the flaps bear, under theiniiuence ofthe springs 10', against stops 92) which retain the flaps withinthe plane of the plate. For turning the iiaps, the tube 14 is providedwith radial Wings 14a which are normally out of reach of the cranks andwhicli arebrought into operative engagement with the latter by raising thetube in opposition to a spring 18.

Thewings `-are of different lengths and irequire different adjusting movements Ovfthe tube for remaining in operative contact with the vcranks. Thus, by raising thejtube 14` to different levels and by 'turning it for bringingV different wingsinto operative position, the flaps 9a can be selected as desired forforming the diiierentcolorfbands. For turning the tube soas to bring different wings into position for operating the cranks, the spindle14 is fitted with two spur wheels 15 and 15'.'` A ring 5, which is rotatableabout the flange. 5, is fitted'fwith a pivoted star piece17.' On the armsof this star'piece racks 17 are provided any one of which can be set in operative position by a Vrotary Vadjustmentof the starpiece. The'v latter can 'of the tion to a spring and then turned to bring 'i a lug into engagement with different retaining slots for securing the star piece in the desired position. One of the. racks 17 is carried by a shorter arm than the others and is adapted` to engage theupper spur wheel `15",w `vvhich is mutilated las shown atf15 in Fig. 4 and which serves for clearing the apparatus by bringing the tubes back to their normalY positions, this being eiiected by turning the ring 5 once round the flange 5 so that all they spur wheels 15 will be swept by' the clearing rack. The remaining racks areV adapted to engage"the'spuifwheel 15 Vand. are o f dierentlengths foriV turning thek tubes 14. through Vdifferent angles, for

The turninginstance 120 and 180.

of the 4flapsvinto ythe'transverse position is eifectedxby raising the adjusted tubes 14- so asto bring the: selected wings into contact with the cranks, and a further Seletion of flaps v,is eifectedfbyraising different tubes throughY a definite distance; Forthis purpose a lifting disc 194s arranged under the spindles 14 andformed with apertures 19. throughV which spindles which arenot to be raised, can: pass as shown in Fig. 3. The 'disc 19 is rotatably heldfin a carrier 19a which surrounds the shaft Sand which is fastened to a sleeve 20. 'The latter embraces a screw-threaded shaft portion 20a provided with a square thread. A springcontrolled pin 20 engages between the screw4 `threads and causes a change inthe elevation of the disc 19 when the sleeve 2O is rotated about the-screw. Y. Slots 20 are made in the screw for the reception ofthe pin 20 which canthusmaintain the disc 19in di'erent altitudes. For turning the disc 19 so as to bring the apertures 19 into and 'out of align- ,menty with the spindles 14, a segmental rack 21 isfconnected to theV edge of the disc,.and-

la long,rvertical operating pinion 22 is inl engagement with `this rack. The 'pinion is mounted in the carrier 23 which is connected to the downturned rim `of the flange' 4. The rotation of the-pinion is effected by means vof a hand-operated knob 25a'nd a shaft whichv` transmit-s motion tothe pinion through the medium of Vconical gears 24. To prevent an overstrainiiig' of the mechanism, the pinion is preferablyoperatedby means ofa stubshaft 22 (Fig. 10) provided with a prismatic head 22 against which t-he pinion is pressed by means of a Yspring 22a. The head 22 is adapted to allow` the pinion to slip under excessive stress, forinsta-nce when an attempt is made to rturn the knobA 25 while thedisc 19 Iis engaged, as shown in Fig. 3, byjone of the spindles 14. To prevent the pinion from leaving the rack 21, stops 21 are Vprovided at the ends of the rack. The

knob 25 may beprovided witha graduated if;

his

bination with a spring for vmaintaining 1 each shaft extended, and means for preventing rotary displacement between the telescopic parts thereof.-

^ .7. A structure asclaimed in claim vvherewhich are not in tures, a .segmental racli carried at the edge. f/ of the disc,'aflong vertical pinion supported inthe means for turning theshafts comprises spur. wheels connectedto the latter, a ring arrangedi'otatably about the upperliange of the cylinder, anda rack carried by the ring l for engagement kwith said spur wheels.

8. A structure as claimed in claim 5 wherein the meansfor turning the shaftscomprises spur Wheels vmounted on the shafts, a ring arranged rotatablyabout the upper flange of the cylinder, a star piece pivoted to said ring,

and a plurality of racks :of different lengths on the star. piece adapted to be'turned intoV A positionto engage and rotate said spur Wheels` wheel for bringing the shafts bacl to normal' position on lthe ring being-rotated, anda'plin rality of racks of .different lengths onsaid star piece adapted to be-turned into position te. engage the other spurrwheel for turning.

the shafts through ditlerent angles.

' l0. A structure'asclainied in claim 5 Where J in the -means for axially. adjusting the shaft comprises a vertically adjustable sleeve mounted on the stand,a disc held rotatably by said'sleeve under the shafts and-formed with apertures which-canfby' a rotation l of thedisc,fbe aligned with given shafts, means for raisingv the sleeve and dise to adjust.. the shafts not in .alignment vwith,` the apertures, and meansiforturning thev disc toselect the shaft for adjustment. i

-3 ll. A structure f as claimed inl claim 54 wherein the meansfor axially adjust-ing the shaft comprises a vertically adjustable sleeve mounted on the stand, a disc held rotatably j by said sleeve nnder the shafts and formed.' i vwith apertures which can, by aiotation of the. disc, be aligned-withjgiven sliafts,means for vraisins' sleeve and disc to ad ust the shafts alignment `--with the aperby theflange anLl engagingV said rack, and means for turning'the pinionto select. the shaft foradjustment.l

l2. A- structure as :claimed in claim 5 wherein the means for axially adjusting the shaft comprisesa vertically adjustable sleeve mounted-on the stand, a discheld 'rotatably Vby said sleeve .under the shafts and formed with apertures which can,`by"a rotationrof 5 the disc, be aligned with given shafts,means formed with shaftsfor operation', a graduated scale on said `knob, and 'a stationary index placed against sjaid'lnob.., I

gY i3. A' structure as: claimed in claim 5 wherein the meansl for axially adjusting the shaftcoinprises a vertically adjustable sleevel mounted on the stand, a disc held rotatablyl by said sleeve'under the shafts and formed with apertures which can, by a rotation of the disc,-be aligne/d with given shafts, means for raising sleeveand disc to adjust the shafts not inalignment with theapeitures, a segmental raclcari'ied at the edge of the disc, a long vertical pinion carried by the flange and engaging the rack, means for turning the pinion to select the shafts for operation, and stops at the ends'of the racks to' prevent-the pinion from leaving the latter.

lll. i structure as claimed in claimv 5 whereiiitliemeans for axially adjusting the shafts comprises aV vertically adjustable sleeve mounted on the stand, a .disc held rototably by said-sleeve under the shafts and ferinedwith apertureswhich can, by a rotation of the d1sc,.be aligned with given shafts, means for raising sleevea'nddisc to adjust the shaftswliich are not -in alignmentwith the apertures, asegmental rackY carried at the edge of the disc, a long. vertical pinion carried by the'flange and engaging said'rac'k for turningthe disc to select-the shafts for operation, an operating knob for said pinion,

gears transmitting motion fromthe knob to the pinion, and'a snapfcoupling between the gears and the pinion enabling the latter to slip-'under excessive stress.

.15. A4 structure as claimed in. claim 5 wherein the means for axially adjusting the Y shaftsV comprises a vertically adjustable sleeve mounted on the stand, afdisc held roltatably by said sleeve'under the shafts and Y apertures which can, by a rotation of the disc, be aligned with` given sl,.

adjust the shafts which are not in alignment with the apertures, a segmental rack carried at the edge of the disc, a long vertical pinion engaging the rack for turning the disc to select thel shafts for operation,l and a carrier for the pinion arranged lto slide about the ts, means forraising sleeve and disc to lower flange of the cylinder fory an extensiverotation ofthe disc. 1 4

1.6, Av structure as, claimed in claim 5 wherein the means for'axially adjusting the shafts comprises a vertically adjustable sleeve mounted on the stand, a disc held rotatably by Vsaid sleeve under the shafts and formed with apertures which can, by a rotation of the disc, be aligned With giveny shafts,

. means for raising sleeve-and disc to adjust said sleeve under the shafts and formed with` the shafts which are not in alignment with the apertures,a segmental rack carried at the edge of the disc, a long vertical pinion enn gaging the rack for turning the disc to select the shafts for operation, aucarrier for said pinion arranged to slide about the lower flange of the cylinder, a toothed rim on said latter flange, and a pinion on the carrier engaging said rack for an extensiverotation of the disc. Y Y

17. A structure as claimed in claim 5 wherein the means for axially adjusting the shafts comprises a vertically adjustable sleeve mo-unted on the stand, a disc held rotatably by apertures which can, by a rotation of the disc, be aligned with given shafts, means for raising sleeve and disc to adjust the shafts which are notin alignment withthe apertures, a segmental rack carried at the edge of the.y disc, a long vertical pinion engaging the rack for turning thedisc to select the shafts for operation, a carrier for said pinion arranged to slide about the lower flange of the Cylinder, a toothed rim Von said latter ange, a pinion on the carrier engaging said rim for an eXtensive rotation of the dise, and a resilient catch on the carrier adapted to engage in apertures in the iange for retaining the carrier in different positions.

1S. A structure as claimed in claim 5 wherein the means for aXially adjusting the shafts comprises a vertical screw carried by the stand below and in alignment with the cylinder, a sleeve surrounding said screw, a

pin in the sleeve engaging the screw thread n 19. A structure as claimed in claim 5' wherein the means A.for axially adjusting the shafts comprises a vertical screw carrie-d by the stand below and in alignment with theV cylinder, a sleeve surroundingthe screw, a spring-controlled pin engaging the screw thread and adapted to snap into slots in the screw for maintaining the sleeve on the latter in different elevations, and a disc carried by he sleeve under the shafts for engaging rthe latter-'and determining the axial adjustment thereof. j

20. The structureclaimed in claim 5 in combination with means for adjusting the ring to engage and release the plates, said means com? prising diametrically opposite levers pivoted to the ring, and brackets on` the flange whereon said levers are fulcrumed.

2l. A structure as claimedV in claim 5 wherein the upper flange is formed with recesses'for the reception of the upper ends of YERNST soininnovvsin.

izoY 

